Thousands who gambled on the U.S. election are looking forward to a potential payout of about $450 million from online gambling sites after Donald Trump was elected president in a stunning comeback - but some may have to wait to collect their haul.

Who will win the 2024 Election? Kamala Harris is ahead in the polls, but the latest election betting odds favor Donald Trump.

Election betting platforms brought in billions of dollars as users around the world wagered on who would win Tuesday’s U.S. presidential election, according to an NBC News analysis of betting platforms.

Gamblers can now place wagers on the 2024 election in the U.S. for the first time in the history of the country. Here's who the odds favor so far.

Harris’ betting market-implied odds of victory stood at 42.4% Friday afternoon, hitting the highest level since last Thursday, with Trump inversely at an eight-day low of 57.2%, according to the site Election Betting Odds, which tracks odds movements across five platforms which allow users to wager on the election outcome.

The massive gains represent a big swing in profits for the Polymarket bettor, who was sitting on an unrealized loss of $3 million on Monday.

The French “whale” who bet $30 million on a Trump White House win via Polymarket has raked in $48 million in profits on the wager, according to the crypto-based betting platform.

That’s the betting market’s aggregated odds for a Trump victory as of 11:45 p.m. EST, according to the Election Betting Odds tool, which tracks odds across